@LexiLou123, we are sadden to hear you received different answers when contacting us. When mailing in a deposit via expedited, express, USPS or certified mail, you will send to the following address:
USAA Federal Savings Bank
10750 McDermott Freeway
San Antonio, TX 78230
Please include a deposit slip or "for deposit only and your account number" on the back with endorsement of check. Please let us know if you have any other concerns.